Repair Hole Fiber Cement Siding

You then let the patch dry and sand it to blend into the surrounding parts of the plank.

Repair hole fiber cement siding.

If you have some small cracks and holes in your siding you can fill them in with patching material specifically designed for this purpose available at your local hardware store. Depending on the extent of the damage and number of holes this type of repair can cost as little as 100 200for a professional to complete at an average rate of 40 50 per hour plus materials. Step 4 hold the knife roughly perpendicular to the siding patch to finish the surface of the patch and taper out the edges of the mortar patch blending it into the surrounding siding. Keep in mind that the patching will be obvious whether or not you paint over it so this is the best solution if the cracks and holes are in out of the way places that aren t readily noticeable.

Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris. Put on a pair of rubber gloves. This putty should be included in every fiber cement repair kit. Rinse the siding with clean water to remove the soapy residue.

Fixing warped wood boards. The siding may look like wood it may have a wood grain effect but it is primarily cement and requires a cement patch. Place the nails near the top of the panel leaving no more than. Refer to manufacturer recommendations for products that are compatible with fiber cement.

Apply the patch product to the damaged area with the flexible putty knife to fill in any indentations or holes. Nail the new siding panel in place using a hammer and galvanized or stainless siding nails securing the panel to the wall s studs. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Repair or patching fiber cement board siding dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound.

The patch is mixed formed and spread to match the contours of the board. Start by purchasing fiber cement patch material do not use wood putty or any other product made to repair wood. Refer to manufacturer recommendations for products that are compatible with fiber cement.